JPS627630B2 - - Google Patents
Info
- Publication number
- JPS627630B2 JPS627630B2 JP1682180A JP1682180A JPS627630B2 JP S627630 B2 JPS627630 B2 JP S627630B2 JP 1682180 A JP1682180 A JP 1682180A JP 1682180 A JP1682180 A JP 1682180A JP S627630 B2 JPS627630 B2 JP S627630B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- output
- rotation
- recording
- track pitch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/04—Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan, e.g. by lead-screw
Landscapes
- Rotational Drive Of Disk (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1682180A JPS56114174A (en) | 1980-02-13 | 1980-02-13 | Recording and reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1682180A JPS56114174A (en) | 1980-02-13 | 1980-02-13 | Recording and reproducing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56114174A JPS56114174A (en) | 1981-09-08 |
JPS627630B2 true JPS627630B2 (enrdf_load_stackoverflow) | 1987-02-18 |
Family
ID=11926830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1682180A Granted JPS56114174A (en) | 1980-02-13 | 1980-02-13 | Recording and reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56114174A (enrdf_load_stackoverflow) |
-
1980
- 1980-02-13 JP JP1682180A patent/JPS56114174A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS56114174A (en) | 1981-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0080256B1 (en) | Information recording/reproducing apparatus | |
US5870363A (en) | Optical disk motor servo and method for closed loop speed control | |
US4223349A (en) | System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate | |
US5142521A (en) | Recording/reproducing device | |
US5347506A (en) | Optical disk player including a plurality of independent pick-ups | |
USRE32431E (en) | System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate | |
JPH06309801A (ja) | ディスク記録再生方式 | |
JPS61248267A (ja) | 記録担体,再生装置及び製造装置 | |
JPS62118781A (ja) | 等線速度方式情報記録円盤の回転制御装置 | |
JPS627630B2 (enrdf_load_stackoverflow) | ||
JPS6236299B2 (enrdf_load_stackoverflow) | ||
JPH0821211B2 (ja) | 情報記録再生装置 | |
JPS6059567A (ja) | 線速度一定のスピンドルサ−ボ機構 | |
JPS6360464B2 (enrdf_load_stackoverflow) | ||
KR930001364B1 (ko) | 콤팩트 디스크의 가변배속 복사장치 | |
KR970005048Y1 (ko) | 가변속 데이타 기록재생장치 | |
KR100199193B1 (ko) | 고속 데이타 복조를 위한 위상동기루프 회로를 가지는 광 디스크 재생 장치 | |
JP3337492B2 (ja) | 可換媒体記録再生装置 | |
JPH02156470A (ja) | データ再生装置 | |
JPH0219548B2 (enrdf_load_stackoverflow) | ||
JP2807979B2 (ja) | 情報記録媒体 | |
JPH03187072A (ja) | 情報記録再生装置 | |
JPH04259916A (ja) | ディスク回転制御装置 | |
KR19990048996A (ko) | 피.알.엠.엘 검출방식을 채용한 광 디스크 재생장치에서의샘플링클럭 재생회로 | |
JPS6310507B2 (enrdf_load_stackoverflow) |